From 5d69c6a2661bba0a22f3ecfd517e2e9767a38346 Mon Sep 17 00:00:00 2001
From: Cem Keylan <cem@ckyln.com>
Date: Fri, 16 Oct 2020 17:47:01 +0300
Subject: add tools

---
 usr.bin/m4/TEST/sqroot.m4 | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 usr.bin/m4/TEST/sqroot.m4

(limited to 'usr.bin/m4/TEST/sqroot.m4')

diff --git a/usr.bin/m4/TEST/sqroot.m4 b/usr.bin/m4/TEST/sqroot.m4
new file mode 100644
index 0000000..fa01674
--- /dev/null
+++ b/usr.bin/m4/TEST/sqroot.m4
@@ -0,0 +1,43 @@
+#	$OpenBSD: sqroot.m4,v 1.3 2003/06/03 02:56:11 millert Exp $
+#	$NetBSD: sqroot.m4,v 1.4 1995/09/28 05:38:01 tls Exp $
+#
+# Copyright (c) 1989, 1993
+#	The Regents of the University of California.  All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Ozan Yigit.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. Neither the name of the University nor the names of its contributors
+#    may be used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+#	@(#)sqroot.m4	8.1 (Berkeley) 6/6/93
+#
+
+define(square_root, 
+	`ifelse(eval($1<0),1,negative-square-root,
+			     `square_root_aux($1, 1, eval(($1+1)/2))')')
+define(square_root_aux,
+	`ifelse($3, $2, $3,
+		$3, eval($1/$2), $3,
+		`square_root_aux($1, $3, eval(($3+($1/$3))/2))')')
-- 
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